org.rocksdb.WriteBufferManager Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of frocksdbjni Show documentation

RocksDB fat jar to use with Apache Flink that contains .so files for linux32 and linux64, jnilib files for Mac OSX, and a .dll for Windows x64.

The newest version!

package org.rocksdb;

import org.rocksdb.Cache;

/**
 * Java wrapper over native write_buffer_manager class
 */
public class WriteBufferManager extends RocksObject {
  static {
    RocksDB.loadLibrary();
  }

  /**
   * Construct a new instance of WriteBufferManager.
   *
   * Check 
   *     https://github.com/facebook/rocksdb/wiki/Write-Buffer-Manager
   * for more details on when to use it
   *
   * @param bufferSizeBytes buffer size(in bytes) to use for native write_buffer_manager
   * @param cache cache whose memory should be bounded by this write buffer manager
   */
  public WriteBufferManager(final long bufferSizeBytes, final Cache cache){
    super(newWriteBufferManager(bufferSizeBytes, cache.nativeHandle_));
  }

  private native static long newWriteBufferManager(final long bufferSizeBytes, final long cacheHandle);
  @Override
  protected native void disposeInternal(final long handle);
}